47(J BIRDS OF ILLINOIS. 



Buteo latissinius (Wils.) 



BHOAD WINGED HAWK. 



Fiilio pniiniuli-ai''e'is Wll-s. Am. drii. vi. 1^1J. ■'.'. i.l.M.lli;. 1 (not plnU' «,nc l.whlfh= 

 .l<<-.;/.r.rr»'/oAyounB).-AUD. B. Am. I. ISfl. |il. 91: Urn. Ulog. 1. ISW. 46I.-NUTT. 

 Man. i. liCQ. 105. 

 /iu<wpr)iH.-ii/fi'niii'<-nji Up. IStu.— Aud. Hynop. 1839.7: U. Am. MO. 43. pi. lu.— Cab». In 

 IJairil's IJ. N. Am. ISM, 29.— Baibu, Cut. N. Am. B. ls.'.9. No. 27.— Coueb. Key. 1872. 

 •-•17: ClH'ck List.l«74,No. :1M: 2d u.l. 18S2, No. 524; II. .\. \V. 1874. 3C0.-B. B. i U. HIbL 

 N. Am. B. ill. lS74.-Ull)OW. Nom. N. Am. B. 18S1, No. 443. 

 Falei) latiasimus Wils. Am. Orn. vi, 1812. 92, pl.M.llii. 1. 

 liuteo lalinsimun SlIAnPE, Cat. B. Br. MuR. i, lS74,l'.i;j. 



Hab. Eastern North America. north to Hudson's Bay; eastern Middle America and 

 south to Ecuador. Venezuela, and upper Amazon; Cuba (resident); and other West 

 India islands. 



Sp. Chab. Adult. Upper surface dark umber- lirown. the feathers uradually paler 

 toward edtjes; on the back the feathers more uniformly dusky. causing a prevalent 

 blackish appearance. Rump and upper tail-coverts blackish vandyke-brown. the latter 

 lipped with pure wliite.and witli a concealed bar of the same, about the middle of each 

 feather. Tail dull black, with an indistinct terminal band of dull brown, this fadine ter- 

 minally into whitish: across the middle of the tail a broad band of dull liulit umber (In 

 some individuals approaching dull white) about three fourths of an inch in width; about 

 as far anterior to the main band as this is from tip is another much narrower and less 

 distinct band of the same color, crossinu just beyond the ends of the coverts, or eon- 

 cealcd by them, rrlmaries uniform brownish black, tadintronthe terminal edge Into 

 pale brown. Head above, and broad but Inconspicuous "mustache," running from the 

 rictus downward across the cheek, dull black: the crown posteriorly, with the occiput 

 and nape.liavinc tlii' dull black much broken by lateral streaks of dull rufous on all the 

 featlicrs: tliis liull rufous tint prevails on the rest of the head and neck, as well iks tlio 

 breast, leavini; tlie lores and chin and lateral portion of the frontlet alone whitish; throat 

 streaked with blackish. Beneath dull brownish rufous, that of the breast almost unvarlo- 

 eated: medially, however, are roundish spots of white on opposite webs, but these are 

 not confluent; posteriorly, these spots become gradually more numerous and more 

 transverse, forminc on the flanks transverse bands, almost continuous; on the tibin? the 

 white prevails, the rufous bars being more distant, and connected only by a brown shaft 

 lino; lower tail-eoverts with less numerous transverse spots of dull rufous. Lining of 

 the wing ochraceous white, with spar.ie, rather small, irregularly deltoid spots of dull 

 rufous; under surface of (ho primaries uuvariegaled while, as far as their emargination, 

 beyond which they are black. Fourth <iuill longest: third a little shorter; second inter- 

 mediate between fifth anil sixth: first about equal to the ninth. Female (extremes No. 

 3l).'.»(i9. Brookline. Mass., and No. 30,89."). Mirador. Me.\ico—the latter the larger); Wing. 

 ll.(Ki-ll.:)0: tail,G.w»-7.1(i: tarsus. 2. Wi: middle toe, 1.30. Male ('So. .'C309, Moose Factory. 

 Hudson's Bay Territory): Wing. le..V): tail, C.30; tarsus. 2.30; midtlle toe. 1.20. 



Young, Jhsi near (No. 11.984. Washington. D. C). The blackish above Is much 

 vari'^galcd, being broken by narrow rusty borders to the Interscapulars, rump-feathers, 

 and lessor wing-coverts, broader and more ochraceous borders to scapuhirs imd greater 

 wing-eoverts, and partially concealed whitish spotting on the former. Upper tail- 

 eoverts white, with broad bars of blackish brown; secondaries and primaries edged ter- 

 minally with whitish. Tail didl umber-brown, growing darker termiiuilly, narrowly 

 tipped with white, and crossed with six indistinct, narrow bands of dusky, th<' (con- 

 cealed) bases of all the feathers white. Superciliary region, cheeks, chin, throat, and 

 entire lower parts delicate pale ochraceous or whitish cream-color; a conspicuous 

 "mustache." a median longitudinal series of streaks on the throat, large longitudinal 

 ovate spots on sides of breast, cordate spots on sides and flanks, and sagittate spots on 

 tiblip. clear blackish brown. The ochraceous deepest on the abdomen and crissum. 

 Wing beneath .is in adult. 



